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21441022030 = 2517126123659
BaseRepresentation
bin10011111101111111…
…000000100001001110
32001100021001202212001
4103331333000201032
5322402400201110
613503323302514
71356220452211
oct237577004116
961307052761
1021441022030
11910299721a
1241a467aa3a
1320390ba1ac
141075835778
1585751563a
hex4fdfc084e

21441022030 has 16 divisors (see below), whose sum is σ = 40864065840. Its totient is φ = 8071914112.

The previous prime is 21441022019. The next prime is 21441022033. The reversal of 21441022030 is 3022014412.

It is a super-3 number, since 3×214410220303 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21441021989 and 21441022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441022033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63061660 + ... + 63061999.

It is an arithmetic number, because the mean of its divisors is an integer number (2554004115).

Almost surely, 221441022030 is an apocalyptic number.

21441022030 is a deficient number, since it is larger than the sum of its proper divisors (19423043810).

21441022030 is a wasteful number, since it uses less digits than its factorization.

21441022030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126123683.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 21441022030 its reverse (3022014412), we get a palindrome (24463036442).

The spelling of 21441022030 in words is "twenty-one billion, four hundred forty-one million, twenty-two thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 126123659 252247318 630618295 1261236590 2144102203 4288204406 10720511015 21441022030